2026 head-to-head · Midsize & Large SUV

2026 Chevrolet Tahoe Diesel vs Toyota 4Runner

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$2,312/ year to fuel
24 MPG
✓ Cheaper to run
$2,114/ year to fuel
22 MPG

The 2026 Toyota 4Runner is the cheaper one to run. Driving 15,000 miles a year with $3.70/gal diesel fuel and $3.10/gal regular gas, it costs about $2,114 a year to fuel (22 MPG), versus $2,312 for the 2026 Chevrolet Tahoe Diesel (24 MPG). That's roughly $199 a year, or about $994 over five years.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • Chevrolet Tahoe Diesel
  • Toyota 4Runner

Side by side

Chevrolet Tahoe DieselToyota 4Runner
$2,312 Your annual fuel cost $2,114
24 MPG Combined efficiency 22 MPG
22 MPG City 20 MPG
26 MPG Highway 26 MPG
427 g/mi Tailpipe CO₂ (g/mi) 399 g/mi
5/10 EPA fuel economy score 4/10
4/10 EPA greenhouse gas score 4/10
Diesel Powertrain Gas
Diesel Fuel Regular gasoline
3.0L 6-cyl turbo Engine / motor 2.4L 4-cyl turbo
10-speed automatic Transmission 8-speed automatic
RWD Drivetrain RWD

✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.

Chevrolet Tahoe Diesel vs Toyota 4Runner across model years

  • Chevrolet Tahoe Diesel
  • Toyota 4Runner

Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.

How they differ

Among 91 2026 midsize & large SUVs, the Chevrolet Tahoe Diesel ranks 48th and the Toyota 4Runner 36th for lowest fuel cost.

The powertrains differ: the Chevrolet Tahoe Diesel is a diesel, while the Toyota 4Runner is a conventional gas model.

Frequently asked questions

Which is more fuel-efficient, the 2026 Chevrolet Tahoe Diesel or the 2026 Toyota 4Runner?

Measured by cost to drive, the Toyota 4Runner. The Chevrolet Tahoe Diesel is rated 24 MPG combined and the Toyota 4Runner 22 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2026 Chevrolet Tahoe Diesel vs. the Toyota 4Runner per year?

At 15,000 miles a year with $3.70/gal diesel fuel and $3.10/gal regular gas, about $2,312 for the Chevrolet Tahoe Diesel and $2,114 for the Toyota 4Runner.

Chevrolet Tahoe Diesel vs Toyota 4Runner in other years

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